When Raymesis speaks to the Bubble Dreamer, he makes fun of his ugliness, and blames that on Mr. Dark from the first game. It is unknown whether he was joking or confused him with Bad Rayman. he is called "DarkRay' in this game/
Raymesis appears in Legends, also being an unlockable character as he was in Origins, retaining his appearance from said game. He is called "Raymesis" here.